| Ichi | One | 
| Ni | Two | 
| San | Three | 
| Shi (or yon) | Four | 
| Go | Five | 
| Roku | Six | 
| Shichi (or nana) | Seven | 
| Hachi | Eight | 
| Kyu (or ku) | Nine | 
| Ju | Ten | 
| Ai | Harmonising. | 
| Aiki | Harmonising of Ki. | 
| Aikidoka | One who participates in Aikido. | 
| Bokken | Sword. | 
| Chudan | Middle position. | 
| Dachi | Stance. | 
| Do | The Way. | 
| Dojo | Training hall. | 
| Doshu | Leader of the way, world Aikido leader, head of budo. | 
| Gedan | Lower position. | 
| Hajime | Begin. | 
| Hanmi | The basic aikido stance, half body, as in facing forward with left or right foot forward. | 
| Hara | One point (lower abdomen, approximately 50mm below navel) physical & spiritual center. | 
| Hidari | Left. | 
| Jiyu waza | Free style practice. | 
| Jo | Staff. | 
| Jodan | Upper position. | 
| Ki | Vital force of Mind, Body and Spirit. | 
| Kohai | Junior. | 
| Kumi jo | Staff practices with a partner. | 
| Kumi tachi | Sword practices with a partner. | 
| Kyu | Kyu grade students, before reaching Dan grade. | 
| Ma ai | Attack intervals. One must keep the proper attack intervals. | 
| Matte | Stop. | 
| Metsuke | Gazing at the distant mountains. This means to focus the eyes at a distance. | 
| Migi | Right. | 
| Nage | The person performing the technique. | 
| O'Sensei | "The Great Teacher", Founder of Aikido - The Late Morihei Ueshiba. | 
| Rei | To bow. | 
| Seiza | Formal kneeling position. | 
| Sempai | Senior. | 
| Sensei | Teacher, instructor. | 
| Shihan | Master, instructor (6th Dan & above). | 
| Shomen | Front of a dojo, often there is a photo of the Founder, also front or top of head. | 
| Tanto | Knife. | 
| Tatami | Japanese straw mat. | 
| Uke | The person receiving the technique. | 
| Ukemi | The way of receving techniques. | 
| Waza | Technique. | 
| Yame | Finish. | 
| Yudansha | Dan grade students. | 
| Zanshin | Remaining mind or heart. Even after an aikido technique has been completed, one should remain in a balanced and aware state. | 
| Ayumi ashi | Altering step, left and right, like normal walking. | 
| Funakogi undo | Rowing boat exercise, standing up. | 
| Hai shin undo | Back stretch. | 
| Hidari | Left. | 
| Irimi | Entering move. | 
| Kaiten | Rotation move or turning move. | 
| Mae ukemi | Front roll or break-fall. | 
| Migi | Right. | 
| Okuri ashi | Sliding step, front leg slide and back leg follow. | 
| Shiho giri | Cutting in four directions. | 
| Shikko | Knee walk. | 
| Soto | Outside. | 
| Tai no tenkan | Body turns. | 
| Tenkan | Turning move or changing direction. | 
| Tsugi ashi | Following step, back foot following and not passing front foot. | 
| Uchi | Inside. | 
| Ukemi | General term for break-fall techniques. | 
| Ushiro ukemi | Back roll or break-fall. | 
| Ai hanmi | Same foot forward stance. | 
| Atemi | Strike. | 
| Eri dori | Collar grip by the neck. | 
| Gyaku hanmi | Opposing stance. | 
| Hanmi handachi | Nage kneels, uke standing. | 
| Hiji dori | Elbow grab. | 
| Jo tori | Defense against Jo attacks. | 
| Kamae | Stance. | 
| Kata dori | Shoulder grab. | 
| Kata men uchi | Shoulder grab and execute a straight frontal strike to the top of the head with the other hand. | 
| Katame waza | Immobilization techniques. | 
| Katate dori | Wrist grab. | 
| Mae geri | Front kick. | 
| Morote dori | Both hands grab partner's wrist. | 
| Mune tsuki | Thrust, straight punch to chest or stomach. | 
| Omote | Positive move, entering to the front of the partner. | 
| Ryo hiji dori | Two hands grab both of the partner's elbows. | 
| Ryo kata dori | Two hands grab both of the partner's shoulder. | 
| Ryote dori | Two hands grab both of the partner's wrists. | 
| Shomen tsuki | Thrust, straight punch to the face. | 
| Shomen uchi | Straight strike to the top of the head. | 
| Suwari waza | Knee techniques. | 
| Tachi tori | Defense against Bokken attacks. | 
| Tachi waza | Standing techniques. | 
| Taiho jutsu | Arrest techniques. | 
| Tanto tori | Defense against Tanto attacks. | 
| Ura | Negative move, entering to the rear or behind of the partner. | 
| Ushiro | From the rear or behind. | 
| Ushiro hiji dori | Two hands grab from behind both of the partner's elbow. | 
| Ushiro kubi shime | Rear or neck choke with one hand from behind and grab at the wrist with the other hand. | 
| Ushiro ryo kata dori | Two hands grab from behind both of the partner's shoulder. | 
| Ushiro ryote dori | Two hands grab from behind both of the partner's wrists. | 
| Yokomen uchi | Strike to the side of the head or neck. | 
| Ikkyo | 1st immobilisation lock. | 
| Nikyo | 2nd immobilisation lock. | 
| Sankkyo | 3rd immobilisation lock. | 
| Yonkyo | 4th immobilisation lock. | 
| Gokyo | 5th immobilisation lock. | 
| Irimi nage | Entering throw. | 
| Juji garumi | Crossed arm throw. | 
| Kaiten nage | Rotary throw. | 
| Kokyu nage | Breath throw. | 
| Kokyu-ho | Method for using breath. | 
| Koshi nage | Hip throw. | 
| Kote gaeshi | Wrist throw or outer wrist twist. | 
| Shiho nage | Four directions throw. | 
| Sumi otoshi | Corner drop throw. | 
| Tenchi nage | Heaven and Earth throw. |